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DVM20171127
Contents
What's in the box ............................................................................................................................ 2
1
2
Setting up the system ..................................................................................................................... 3
3
4
Connecting sensor to transmitter electronics ................................................................................ 6
5
Powering the Transmitter ............................................................................................................... 6
6
Connecting 4-20 mA outputs .......................................................................................................... 7
7
Connecting Modbus RTU (RS-485) outputs .................................................................................... 8
7.1
General .................................................................................................................................... 8
7.2
Wiring ...................................................................................................................................... 8
7.3
Configuration .......................................................................................................................... 9
7.4
Input Registers ........................................................................................................................ 9
7.5
Data-Types ............................................................................................................................ 10
8
Operating the system .................................................................................................................... 12
9
Handling the Sensor ...................................................................................................................... 13
9.1
Cleaning the sensor ............................................................................................................... 13
9.2
To remove the sensor: .......................................................................................................... 14
9.3
To re-insert the sensor: ......................................................................................................... 16
9.4
Mounting the DVM-HPHT ..................................................................................................... 19
10
Notes/Errata: ............................................................................................................................ 21
DVM-HPHT Installation and Operating Instructions

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  • Page 1: Table Of Contents

    DVM20171127 DVM-HPHT Installation and Operating Instructions Contents What’s in the box ..........................2 Setting up the system ........................3 Connecting and disconnecting wires to the terminal blocks on SME electronics ......3 Connecting sensor to transmitter electronics ................6 Powering the Transmitter ....................... 6 Connecting 4-20 mA outputs ......................
  • Page 2: What's In The Box

    DIN Rail Mount) as shown below SME-TRD Sensor Removal/ Insertion tool Software installer Torque wrench Backup O-rings USB cable Sensor cable HPHT-DVM Sensor Cable gland of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 3: Setting Up The System

    The wires are generally color coded, the ends should be crimped with 8mm diameter crimps. This connection is valid for sensor cable, power cable, Modbus cable, 4-20 mA cables. of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 4 (do not tug on the wires with a lot of force as that may damage the terminal block). of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 5 1. While pressing on the white part, pull out the cable connection with the other hand as shown in the picture below. of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 6: Connecting Sensor To Transmitter Electronics

    Connect a 24V DC supply to the power input terminals on the transmitter. Power input terminals are labeled with 24 V DC + and – GND. of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 7: Connecting 4-20 Ma Outputs

    The 4/20mA outputs are not galvanically isolated. It is not recommended to route the 4/20mA to off-site locations if the corresponding 4/20mA input does not provide galvanic isolation. of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 8: Connecting Modbus Rtu (Rs-485) Outputs

    RS485 MODBUS Rheonics transmitter Bus < 1000m MODBUS master Stub < 20m MODBUS DO NOT CONNECT slave EARTH TO GND for marine applications of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 9: Configuration

    Parameter 4 status (See datatypes) Parameter 5 Float Parameter 5 value as float Int16 Parameter 5 value scaled by 100 as signed integer of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 10: Data-Types

    Bit 1: Internal configuration error – Restart. If error persists call Rheonics for support Bit 2: Hardware error, e.g. broken temperature sensor. Call Rheonics for support and arrange RMA Bit 3: Dependency error: a parameter is calculated from other parameters and one of the source parameter has an error.
  • Page 11 Bit 12: Parameter value below lower warning range. Measurements might not be accurate and sensor performance might be reduced. Here is an image of a fully connected transmitter. of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 12: Operating The System

    After installing the software and setting up the port, the system may now be started. The installation of the Rheonics Control Panel (RCP) Software and its settings are described in the RCP manual. THE ELECTRONIC BOX MUST BE ATTACHED TO THE COMPUTER WITH THE USB CABLE AND POWERED UP IN ORDER FOR THE SYSTEM TO OPERATE 1.
  • Page 13: Handling The Sensor

    Help -> RCP – Rheonics Control Panel Software manual 9 Handling the Sensor The DVM-HPHT is a stable, robust sensor system that operates over a wide range of temperatures and pressures. All wetted parts of the sensor system are made of Titanium Grade 5, which resists attack by a wide variety of highly corrosive fluids.
  • Page 14: To Remove The Sensor

    Using the provided torque wrench, remove the sensor retaining screw. This will require approximately 20 N.m of torque. It may be necessary to hold the DVM-HPHT in a bench vise to apply the necessary torque. Use soft jaw covers in the vise to avoid marring the DVM-2000.
  • Page 15 Holding the back of the threaded rod, screw the black ring clockwise against the upper surface of the module, until it has backed the sensor out of the module: of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 16: To Re-Insert The Sensor

    Suitable lubricants include silicone grease, light mineral oil, petroleum jelly, or simply a bit of the fluid whose properties will be measured. of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 17 Exerting gentle pressure, rocking and turning the sensor slightly, push, while turn, the sensor into bore in the module. Make sure that the locating tabs are sitting IN the locating notches in the module: of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.
  • Page 18 Allen key extension, tighten the sensor retaining screw to a torque of 20 N.m (15 lb.ft). It may be necessary to hold the DVM-HPHT in a bench vise to apply the necessary torque. Use soft jaw covers in the vise to avoid marring the DVM-2000.
  • Page 19: Mounting The Dvm-Hpht

    Either the through holes or the tapped holes can be used, depending on the requirements of the test setup. The DVM-HPHT should be mounted with the sensor retaining screw on the top. This ensures that small bubbles trapped in the module’s chamber will collect around the base of the sensor where they will not influence the measurements.
  • Page 20 Hydrocarbons, glycols, and other fluids with low surface tension are less prone to bubble formation. The DVM-HPHT will operate with flow rates in excess of 1 l/min. Flow may be in either direction, subject to the above caution about the effects of bubbles.
  • Page 21: Notes/Errata

    DVM-HPHT Installation and Operating Instructions 10 Notes/Errata: of 21 Page ©Rheonics, Inc. 2013-17 Confidential to customer. Do not distribute without written permission of Rheonics, Inc.

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